Jayani, Nikmatul Ikhrom Eka and Salawane, Bill Lewaraja and Pelopolin, Hendro Yonan and Rani, Karina Citra (2021) Formulation and Evaluation of Two Types of Functional Beverage Granules Made of Extracts of Guava Leaves, Purple Sweet Potato and Cinnamon. Tropical Journal of Natural Product Research, 5 (6). pp. 1024-1029. ISSN 2616-0692 (Electronic)